Geodesic
Some geometrical properties of marginally trapped surfaces in Minkowski space $M^4$
Kragujevac Journal of Mathematics, Tome 34 (2010) no. 1 
Bernard Rouxel. Some geometrical properties of marginally trapped surfaces in Minkowski space $M^4$. Kragujevac Journal of Mathematics, Tome 34 (2010) no. 1. http://geodesic.mathdoc.fr/item/KJM_2010_34_1_a1/
@article{KJM_2010_34_1_a1,
     author = {Bernard Rouxel},
     title = {Some geometrical properties of marginally trapped surfaces in {Minkowski} space $M^4$},
     journal = {Kragujevac Journal of Mathematics},
     pages = {25 - 30},
     year = {2010},
     volume = {34},
     number = {1},
     url = {http://geodesic.mathdoc.fr/item/KJM_2010_34_1_a1/}
}
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Recently, many papers appeared about marginally trapped surfaces in various spaces [1], [2], [3], [4]. We present here for marginally trapped surfaces in Minkowski space some geometrical results related to the classical differential geometry of Darboux, Bianchi, Ribaucour, Guichard etc.